// Karma configuration

module.exports = function(config) {
  config.set({
    // base path that will be used to resolve all patterns (eg. files, exclude)
    basePath: "../",

    // frameworks to use
    // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
    frameworks: ["mocha", "power-assert"],

    // list of files / patterns to load in the browser
    files: ["dist/*.min.js", "test/**/*.test.js"],

    // list of files to exclude
    exclude: [],

    // preprocess matching files before serving them to the browser
    // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
    preprocessors: {
      "min/*.min.js": "coverage"
    },

    // test results reporter to use
    // possible values: 'dots', 'progress'
    // available reporters: https://npmjs.org/browse/keyword/karma-reporter
    reporters: ["mocha", "coverage"],

    // reporter options
    mochaReporter: {
      colors: {
        success: "blue",
        info: "bgGreen",
        warning: "cyan",
        error: "bgRed"
      },
      symbols: {
        success: "+",
        info: "#",
        warning: "!",
        error: "x"
      }
    },

    // optionally, configure the reporter
    coverageReporter: {
      type: "lcov",
      dir: "coverage/",
      subdir: "."
      // Would output the results into: .'/coverage/'
    },

    // web server port
    port: 9876,

    // enable / disable colors in the output (reporters and logs)
    colors: true,

    // level of logging
    // possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
    logLevel: config.LOG_INFO,

    // enable / disable watching file and executing tests whenever any file changes
    autoWatch: true,

    // start these browsers
    // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
    browsers: ["Chrome"],

    customLaunchers: {
      Chrome: {
        base: "ChromeHeadless",
        flags: ["--no-sandbox"]
      }
    },

    // Continuous Integration mode
    // if true, Karma captures browsers, runs the tests and exits
    singleRun: true,

    // Concurrency level
    // how many browser should be started simultaneous
    concurrency: Infinity
  });
};
